Varennesite R110194

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Name: Varennesite
RRUFF ID: R110194
Ideal Chemistry: Na8Mn2Si10O25(OH,Cl)2·12H2O
Locality: Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Monteregie, Quebec, Canada
Source: Donald Doell [view label]
Owner: RRUFF
Description: Pale to dirty yellow platy
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R110194
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
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POWDER DIFFRACTION 
RRUFF ID: R110194.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.493(3)Å    b: 14.579(5)Å    c: 17.343(6)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 3412(2)Å3    Crystal System: orthorhombic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
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REFERENCES for Varennesite

American Mineralogist Crystal Structure Database Record: [view record]

Grice J D, Gault R A (1995) Varennesite, a new species of hydrated Na-Mn silicate with a unique monophyllosilicate structure, The Canadian Mineralogist, 33, 1073-1081   [view file]

Jambor J L, Pertsev N N, Roberts A C (1996) New mineral names, American Mineralogist, 81, 766-770   [view file]